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How can we change feeble sound to loud sound?


Loudness of sound is directly proportional to its amplitude.

Feeble sound can be changed to loud sound by increasing its amplitude.


What is Supersonic Speed


When speed of an object is more than speed of sound,it is said to be travelling at supersonic speed


Bullets, Jet Aircraft travel at supersonic speed

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CA Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Accounts and English at Teachoo